【求助】涛涛数学一道~

fiona128876 · 发表于 2010-3-9 12:18:45

可能是自己换算错了？感觉巨简单一道题就是算不出来~求助啊求助~~
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards? (1 mile = 1160 yards)
A 8
B 9
C 10
D 11
E 12

就是换算啊~怎么就算不出五个选项里的某个~？

jeffjarrett · 发表于 2010-3-9 13:04:07

题目错了。

yawgamoth86 · 发表于 2010-3-9 13:46:55

ls正解
45mph＝14.5yard/sec
22yard需要一秒多一点吧
应该是题目错了

切尔西 · 发表于 2010-3-9 15:14:39

可能是自己换算错了？感觉巨简单一道题就是算不出来~求助啊求助~~
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards? (1 mile = 1160 yards)
A 8
B 9
C 10
D 11
E 12

就是换算啊~怎么就算不出五个选项里的某个~？

-- by 会员 fiona128876 (2010/3/9 12:18:45)

1mile=1760yards

fiona128876 · 发表于 2010-3-15 08:41:23

哇~谢各位~~

【求助】涛涛数学一道~

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